Finding the Third Proportional to 677,072 and 1,441,872

Step by Step Solution

1. Step 1: Write the proportion equation
   677,072 : 1,441,872 = 1,441,872 : x
2. Step 2: Convert to fraction form
   677,072/1,441,872 = 1,441,872/x
3. Step 3: Cross multiply
   677,072x = 1,441,872 × 1,441,872
4. Step 4: Simplify right side
   677,072x = 2,078,994,864,384
5. Step 5: Solve for x
   x = 2,078,994,864,384/677,072
6. Step 6: Final answer
   x = 3,070,566.89